
Ilex altaclerensis
Highclere holly · also Wilson holly
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Ilex altaclerensis, known as Highclere holly, is an evergreen hybrid tree or large shrub featuring glossy, spiny leaves and vibrant red berries. It is a hardy ornamental plant that provides food for birds and insects, thriving in well-drained, loamy soils with moderate water and drought tolerance. Although widely cultivated, its foliage is highly flammable, posing a notable fire risk in urban landscapes.
Where it grows
Trees in each city's inventory, with the share of that city's named trees this species accounts for.
- 200.01%57 yr16 in
- 140.01%—14 in
Traits
- Form
- Broadleaf
- Foliage
- Evergreen
- Mature height
- 15–25 ft
- Canopy spread
- 15–25 ft
- Growth rate
- Moderate
- Soil
- Well-drained, Loamy
- Water needs
- Moderate
- Drought tolerance
- Moderate
- Wildlife value
- High
- Fire risk
- High
- Blooms
- May
Trunk diameters across every city: median 14 in, mean 13 in, 90th percentile 16 in. Measured at breast height, as published by each inventory.
Other Ilex in the catalogue
17 of the top 2,000 species are in this genus.